OneOf Accuracy Pro

The Accuracy Pro is a high-end manual multi-position acoustic sensor which brings to an end years of lack of innovation in the field of watch measuring instruments.

Open the app. Plug in the device. Place your watch on the sensor. Done!

• Measure & displays accuracy, accurate to +/- 0.1 second per day
• Automatically detects the most common beats (movement “ancre Suisse”) and displays the beat error as a figure and line chart, with measurement range up to 9.9ms
• Testing line length can be as long as you want
• Measures & displays amplitude (range 70 to 360°)
• Measures magnetism
• 6 position microphone
• 6 different display modes possible including radar chart
• Aluminium body
• Use the PC speakers or headphones to listen to the escapement sound in real time.
• Compatible with iOS
• App downloaded from your usual app store. Automatically downloads the latest software
• Made in Switzerland